# Violin Tuner vs Reverse Audio Sing Challenge

The clearest difference is update cadence: Reverse Audio Sing Challenge at every 4 days against Violin Tuner's every 2 months. Violin Tuner's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Violin Tuner ships an update every 2 months, Reverse Audio Sing Challenge every 4 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Violin Tuner | Reverse Audio Sing Challenge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (150 ratings)](https://appshunter.io/ios/app/violin-tuner-simple-tuner/id6461601084/reviews)** | — |
| Number of ratings | **150** | — |
| Positive reviews | 58.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 27 MB | 9 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jonathan de Gaston](https://appshunter.io/developer/1656029142) | [Vu Nhung](https://appshunter.io/developer/1763719782) |

## What reviewers say

### Violin Tuner

[App page](https://appshunter.io/ios/app/violin-tuner-simple-tuner/id6461601084)

This application helps tune any violin to standard tunings. A visual needle indicates the instrument's in-tune status, and side notes aid in tuning by ear.

**Highlights:** Standard violin tunings, Visual tuning needle, Auditory note guides, Supports all violins, Easy-to-use interface

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Reverse Audio Sing Challenge

[App page](https://appshunter.io/ios/app/reverse-audio-sing-challenge/id6810552995)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Violin Tuner free?

Violin Tuner is free to download, with no in-app purchases.

### Is Reverse Audio Sing Challenge free?

Reverse Audio Sing Challenge is free to download, with no in-app purchases.

### Do Violin Tuner or Reverse Audio Sing Challenge have ads?

Neither Violin Tuner nor Reverse Audio Sing Challenge shows ads.

### Which is updated more often, Violin Tuner or Reverse Audio Sing Challenge?

Violin Tuner ships an update every 2 months, and Reverse Audio Sing Challenge every 4 days. Most recently, Violin Tuner was updated on November 3, 2026 and Reverse Audio Sing Challenge on October 31, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*